This new series products feature box type structure with hermetic compressor and control box&comma;which is compact and pleasant looking &comma;applicable to cold display cases&comma;cold storage rooms &comma;ice producers etc&period;The applicable temperature ranges are&colon;5°C--15°C&comma;-5°C--5°C and -15°C---25°C&comma;They can be used in hotels&comma;resturants&comma;medicines&comma;agricultural&comma;chemicals industries all other place when cold storage is needed&period;Features of these series products&colon;1&period;Electric components were added on the basis of old XJQ series&comma;including condensing unit&comma;main control board&comma;cold room temp control board and operation board&period;Cold room temp control board and operation board are optional&period;2&period;Main control board can start&sol;stop compressor by system low voltage&comma;be suitable for super market&comma;milk container&comma;water chiller etc&period;If all optional included &comma;system can control compressor by temp&comma;with function of temp&comma;and defrosting adjustment&period;The complete set of control system can be used for cold room directly&comma;no extra controller required&period;3&period;With multi protections including phase protection&comma;phase lack&comma;over current&comma;too constant start of compressor &comma;discharge temp and system high&sol;low temp&period;4&period;With fan speed regulator &comma;to adjust condensing fan according to condensing temp&period;5&period;With operation data display function &comma;to check operation current of compressor &comma;discharge temp&comma;and condensing temp&period;6&period;With system alarm function &period;When fault effects&comma;the system will make alarm beep sound to remind user&period;7&period;The operation board can show temp&comma;setting &comma;defrosting control&comma;operation system data checking and cold room temp&comma;alarm functions&period;It can be installed apart from condensing units for remote control&period;